diff --git a/specification/json/sections/cper-arm-processor.json b/specification/json/sections/cper-arm-processor.json
index 4e473fc..ccad75b 100644
--- a/specification/json/sections/cper-arm-processor.json
+++ b/specification/json/sections/cper-arm-processor.json
@@ -96,7 +96,16 @@
                     },
                     "multipleError": {
                         "type": "object",
-                        "$ref": "./common/cper-json-nvp.json"
+                        "required": ["type", "value"],
+                        "additionalProperties": false,
+                        "properties": {
+                            "type": {
+                                "type": "string"
+                            },
+                            "value": {
+                                "type": "integer"
+                            }
+                        }
                     },
                     "flags": {
                         "type": "object",
diff --git a/specification/json/sections/cper-unknown.json b/specification/json/sections/cper-unknown.json
new file mode 100644
index 0000000..ea8c8f0
--- /dev/null
+++ b/specification/json/sections/cper-unknown.json
@@ -0,0 +1,12 @@
+{
+    "$id": "cper-json-unknown-section",
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "type": "object",
+    "required": ["data"],
+    "additionalProperties": false,
+    "properties": {
+        "data": {
+            "type": "string"
+        }
+    }
+}
\ No newline at end of file